In a heartfelt MySpace
blog post, Lisa Marie Presley expresses her deepest sympathies for her "very good friends," John Travolta and Kelly Preston, whose 16-year-old son Jett was killed by a seizure Jan. 2.
"I wished I could be writing you under happier circumstances, but I cannot because two of my very good friends, the sweetest people in the world, have just encountered the worst possible tragedy a parent could be forced to endure, the death of their son Jett.
"My heart is crying and